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SQL Interview Questions and Answers

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Ques 91. What operator performs pattern matching?

LIKE operator.

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Ques 92. What is the use of the DROP option in the ALTER TABLE command?

It is used to drop constraints specified on the table.

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Ques 93. What operator tests column for the absence of data?

IS NULL operator.

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Ques 94. What are the privileges that can be granted on a table by a user to others?

Insert, update, delete, select, references, index, execute, alter, all.

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Ques 95. Which function is used to find the largest integer less than or equal to a specific value?

FLOOR.

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